Chemicals used in industry and science, chemical preparations for use in photography, as well as chemicals for use in agriculture, horticulture, and forestry, except fungicide, herbicides, insecticides and parasiticides, in particular products with a base of carbon and bentonite for industrial purposes; tempering and soldering preparations; chemical preparations for preserving foodstuffs, swellable clays for industrial purposes, in particular being additives for the cutting of semiconductor m...

Chemical products used in industry, science, photography,agriculture, horticulture and forestry, in particular products based on carbons and bentonites for industrial purposes, namely, molding sand used in foundries for casting metals; chemical agents for tempering and soldering metals; chemical products for preserving foodstuffs; swellable clays for industrial purposes, in particular as additives in the machining of semiconductor materials; chemical auxiliaries made of clay for drilling and ...

A blend of organic and inorganic minerals used in the foundry industry during the manufacturing process for metal castings in the green sand molding process for reducing environmental emissions in the foundry, the predominant mineral being inorganic with smaller additions of organic materials, containing bentonites, aluminosilicate, and processed carbons